CN113059869B - Glass fiber laminated plate with pre-buried carbon powder reinforced medium and preparation method thereof - Google Patents
Glass fiber laminated plate with pre-buried carbon powder reinforced medium and preparation method thereof Download PDFInfo
- Publication number
- CN113059869B CN113059869B CN202110318349.XA CN202110318349A CN113059869B CN 113059869 B CN113059869 B CN 113059869B CN 202110318349 A CN202110318349 A CN 202110318349A CN 113059869 B CN113059869 B CN 113059869B
- Authority
- CN
- China
- Prior art keywords
- glass fiber
- carbon powder
- adhesive
- fiber prepreg
- powder reinforced
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
- B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A glass fiber laminated plate with pre-embedded carbon powder reinforced medium and a preparation method thereof belong to the technical field of glass fiber composite materials, and the laminated plate comprises the following components by volume percent: 90-95% of glass fiber prepreg, 3-8% of carbon powder reinforced medium and 1-2% of processing aid; the bending strength of the laminated plate is more than or equal to 7.5MPa, the I-type tensile toughness is more than or equal to 1770J/m 2 And the II type tensile toughness is more than or equal to 125J/m 2 . The preparation method comprises the following steps: the preparation method comprises the steps of pretreatment of glass fiber prepreg, preparation of carbon powder reinforced medium and preparation of finished product material. The invention takes the glass fiber composite material as the matrix raw material, and adds the carbon powder reinforced medium with a certain proportion to form a three-layer structure of a glass fiber prepreg layer, a carbon powder reinforced medium layer and a glass fiber prepreg layer, so that the mechanical property of the laminated plate is improved, and the specific expression is that the bending strength is enhanced by more than 5 percent compared with the prior art, and the interlaminar toughness is enhanced by more than 2 percent compared with the prior art.
Description
Technical Field
The invention belongs to the technical field of glass fiber composite materials, and particularly relates to a glass fiber laminated plate with a carbon powder reinforced medium embedded in and a preparation method thereof.
Background
The glass fiber composite material has the advantages of light weight, good toughness, strong corrosion resistance and the like, so that the glass fiber composite material is widely applied to various aircrafts. However, with the continuous improvement of the performance requirements of the aircraft, in the use of flight, the defects of low bending strength, poor interlayer toughness and the like occur, and the overall performance of the aircraft is influenced.
Therefore, a material with high bending strength and good interlaminar toughness needs to be developed to meet the requirements of high-performance aircrafts so that the aircrafts are more suitable for complex flying environments.
Disclosure of Invention
Aiming at the technical problems, the invention provides a glass fiber laminated plate with pre-embedded carbon powder reinforced medium and a preparation method thereof,
the bending property and the interlayer toughness of the glass fiber composite material are enhanced by adding the carbon powder enhanced medium, so that the glass fiber composite material can be more suitable for complex flying environment. The specific technical scheme is as follows:
a glass fiber laminated plate with pre-embedded carbon powder reinforced media comprises the following components in percentage by volume: 90-95% of glass fiber prepreg, 3-8% of carbon powder reinforced medium and 1-2% of processing aid; the bending strength of the laminated plate is more than or equal to 7.5MPa, the I-type tensile toughness is more than or equal to 1770J/m 2 And the II-type tensile toughness is more than or equal to 125J/m 2 ；
The carbon powder reinforced medium is a mixture of an adhesive A, an adhesive B and carbon powder, and the mass ratio is as follows: adhesive A, adhesive B, carbon powder = (3-5): 2-4);
the adhesive A is an adhesive 2015A, namely bisphenol A epoxy resin and diethylenetriamine;
the adhesive B is an adhesive 2015B which is bisphenol F epoxy resin and diethylenetriamine;
the carbon powder is the carbon powder with the model number of CC388A-88A, and the granularity is D50: 6-9 μm;
the processing aid is an acetone solution with the volume content of 70-90%.
The preparation method of the glass fiber laminated plate with the pre-embedded carbon powder reinforced medium comprises the following steps:
step 1: pretreatment of glass fiber prepreg
Under the condition of room temperature, carrying out layering treatment on glass fiber prepreg according to 0 DEG s, dividing the glass fiber prepreg layering into two parts according to the volume proportion of the glass fiber prepreg, wherein each part accounts for 50% of the total volume of the glass fiber prepreg, and obtaining two parts of glass fiber prepreg layering with consistent thickness for later use;
step 2: preparation of carbon powder reinforced medium
Weighing the adhesive A, the adhesive B and the carbon powder according to the mass ratio, then putting the materials into a container, uniformly stirring the materials for 3 to 5 minutes at a speed of 50 to 80r/min, and uniformly mixing the materials to obtain a carbon powder reinforced medium;
and step 3: preparation of the finished Material
Respectively cleaning the surfaces of two parts of glass fiber prepreg layers by using a processing aid, then uniformly coating carbon powder reinforced medium between the two cleaned parts of glass fiber prepreg layers according to the volume ratio of the carbon powder reinforced medium, merging the layers to form a three-layer structure of a glass fiber prepreg layer, a carbon powder reinforced medium layer and a glass fiber prepreg layer, then carrying out curing treatment for 2-3 h at the temperature of 120-150 ℃ and under the pressure of 0.6-0.8 MPa, and finally naturally cooling to room temperature to obtain the glass fiber laminated plate with the carbon powder reinforced medium embedded.
In the step 3, the thickness of the carbon powder reinforced dielectric layer is 0.135-0.145 mm.
In the step 3, an autoclave is used for the curing treatment.
Compared with the prior art, the glass fiber laminated plate with the pre-buried carbon powder reinforced medium and the preparation method thereof have the beneficial effects that:
1. the glass fiber composite material is used as a base material, and a certain proportion of carbon powder reinforcing medium is added, so that the mechanical property of the laminated plate is improved, and the specific expression is that the bending strength is enhanced by more than 5% compared with the prior art, and the interlayer toughness is enhanced by more than 2% compared with the prior art.
2. According to the invention, the three-layer structure of the glass fiber prepreg layer, the carbon powder reinforced dielectric layer and the glass fiber prepreg layer is subjected to curing treatment, so that the bonding strength of the material is improved.
3. The preparation method of the laminated plate is simple and convenient, has no obvious quality increase, meets the basic requirements of the aircraft structure on the performance to mass ratio of the composite material, has good realizability, can provide support for realizing higher performance of the aircraft structure made of the composite material, and has wide market development prospect.
Drawings
Fig. 1 is a schematic diagram of a three-layer structure of a glass fiber prepreg layer, a carbon powder reinforced dielectric layer, and a glass fiber prepreg layer of a glass fiber laminate with a carbon powder reinforced dielectric embedded in it in embodiment 1 of the present invention, wherein: 1-glass fiber prepreg layer, 2-carbon powder reinforced dielectric layer and 3-carbon powder reinforced dielectric diffusion zone.
Detailed Description
The invention will be further described with reference to the following description and the accompanying drawing 1, but the invention is not limited to these examples.
Example 1
A glass fiber laminated plate with pre-embedded carbon powder reinforced media comprises the following components in percentage by volume: 93.18 percent of glass fiber prepreg, 5.82 percent of carbon powder reinforced medium and 1 percent of processing aid;
the carbon powder reinforced medium is a mixture of an adhesive A, an adhesive B and carbon powder, and the mass ratio is as follows: adhesive A, adhesive B, carbon powder = 4;
the adhesive A is an adhesive 2015A, namely bisphenol A epoxy resin and diethylenetriamine;
the adhesive B is an adhesive 2015B, namely bisphenol F epoxy resin and diethylenetriamine;
the carbon powder is the carbon powder with the model number of CC388A-88A, and the granularity is D50:7 μm;
the processing aid is an acetone solution with the volume content of 80%.
The preparation method of the glass fiber laminated plate with the pre-embedded carbon powder reinforced medium comprises the following steps:
step 1: pretreatment of glass fiber prepreg
Under the condition of room temperature, carrying out layering treatment on glass fiber prepreg according to 0 DEG s, dividing the glass fiber prepreg layering into two parts according to the volume proportion of the glass fiber prepreg, wherein each part accounts for 50% of the total volume of the glass fiber prepreg, and obtaining two parts of glass fiber prepreg layering with consistent thickness for later use;
step 2: preparation of carbon powder reinforced medium
Weighing the adhesive A, the adhesive B and the carbon powder according to the mass ratio, then placing the materials into a container, uniformly stirring the materials for 5min at a speed of 60r/min, and uniformly mixing the materials to obtain a carbon powder reinforced medium;
and 3, step 3: preparation of the finished Material
Respectively cleaning the surfaces of two parts of glass fiber prepreg layers by using a processing aid, then uniformly coating carbon powder reinforced media between the two cleaned parts of glass fiber prepreg layers according to the volume ratio of the carbon powder reinforced media, merging the layers to form a three-layer structure of a glass fiber prepreg layer, a carbon powder reinforced media layer and a glass fiber prepreg layer, then carrying out curing treatment for 2 hours at the temperature of 120 ℃ and under the pressure of 0.6MPa, and finally naturally cooling to room temperature to obtain the glass fiber laminated plate with the carbon powder reinforced media embedded, wherein the glass fiber laminated plate is shown in figure 1.
In the step 3, the thickness of the carbon powder reinforced dielectric layer is 0.135mm.
In the step 3, an autoclave is used for the curing treatment.
In this embodiment, the prepared glass fiber laminate with pre-embedded carbon powder reinforced medium is tested: bending strength 7.98MPa, type I tensile toughness 1777.96J/m 2 Type II tensile toughness 130.26J/m 2 。
Example 2
A glass fiber laminated plate with carbon powder reinforced media embedded in comprises the following components in percentage by volume: 90% of glass fiber prepreg, 8% of carbon powder reinforced medium and 2% of processing aid;
the carbon powder reinforced medium is a mixture of an adhesive A, an adhesive B and carbon powder, and the mass ratio is as follows: adhesive A, adhesive B, carbon powder = 5;
the adhesive A is an adhesive 2015A, namely bisphenol A epoxy resin and diethylenetriamine;
the adhesive B is an adhesive 2015B, namely bisphenol F epoxy resin and diethylenetriamine;
the carbon powder is the carbon powder with the model number of CC388A-88A, and the granularity is D50:6 μm;
the processing aid is an acetone solution with the volume content of 70%.
The preparation method of the glass fiber laminated plate with the pre-embedded carbon powder reinforced medium comprises the following steps:
step 1: pretreatment of glass fiber prepreg
Under the condition of room temperature, carrying out layering treatment on glass fiber prepreg according to 0 DEG s, dividing the glass fiber prepreg layering into two parts according to the volume proportion of the glass fiber prepreg, wherein each part accounts for 50% of the total volume of the glass fiber prepreg, and obtaining two parts of glass fiber prepreg layering with consistent thickness for later use;
step 2: preparation of carbon powder reinforced medium
Weighing the adhesive A, the adhesive B and the carbon powder according to the mass ratio, then placing the materials into a container, uniformly stirring the materials for 5 minutes at a speed of 80r/min, and uniformly mixing the materials to obtain a carbon powder reinforced medium;
and step 3: preparation of the finished Material
Respectively cleaning the surfaces of two parts of glass fiber prepreg layers by using a processing aid, then uniformly coating carbon powder reinforced media between the two cleaned parts of glass fiber prepreg layers according to the volume ratio of the carbon powder reinforced media, merging the layers to form a three-layer structure of a glass fiber prepreg layer, a carbon powder reinforced media layer and a glass fiber prepreg layer, then carrying out curing treatment for 3 hours at the temperature of 130 ℃ and under the pressure of 0.8MPa, and finally naturally cooling to room temperature to obtain the glass fiber laminated plate with the carbon powder reinforced media embedded.
In the step 3, the thickness of the carbon powder reinforced dielectric layer is 0.145mm.
In the step 3, an autoclave is used for the curing treatment.
In this embodiment, the prepared glass fiber laminate with pre-embedded carbon powder reinforced medium is tested: flexural strength 8.01MPa, type I tensile toughness 1777.48J/m 2 Type II tensile toughness 130.02J/m 2 。
Example 3
A glass fiber laminated plate with carbon powder reinforced media embedded in comprises the following components in percentage by volume: 95% of glass fiber prepreg, 4% of carbon powder reinforced medium and 1% of processing aid;
the carbon powder reinforced medium is a mixture of an adhesive A, an adhesive B and carbon powder, and the mass ratio is as follows: adhesive A, adhesive B, carbon powder = 3;
the adhesive A is an adhesive 2015A, namely bisphenol A epoxy resin and diethylenetriamine;
the adhesive B is an adhesive 2015B, namely bisphenol F epoxy resin and diethylenetriamine;
the carbon powder is the carbon powder with the model number of CC388A-88A, and the granularity is D50:9 μm;
the processing aid is 90% by volume of acetone solution.
The preparation method of the glass fiber laminated plate with the pre-embedded carbon powder reinforced medium comprises the following steps:
step 1: pretreatment of glass fiber prepreg
Under the condition of room temperature, carrying out layering treatment on glass fiber prepreg according to 0 DEG s, dividing the glass fiber prepreg layering into two parts according to the volume proportion of the glass fiber prepreg, wherein each part accounts for 50% of the total volume of the glass fiber prepreg, and obtaining two parts of glass fiber prepreg layering with consistent thickness for later use;
and 2, step: preparation of carbon powder reinforced medium
Weighing the adhesive A, the adhesive B and the carbon powder according to the mass ratio, then putting the adhesive A, the adhesive B and the carbon powder into a container, uniformly stirring the mixture for 3min at a speed of 50r/min, and uniformly mixing the mixture to obtain a carbon powder reinforced medium;
and step 3: preparation of the finished Material
The method comprises the steps of respectively carrying out surface cleaning on two parts of glass fiber prepreg layups by using a processing aid, then uniformly coating carbon powder reinforced media between the two cleaned parts of glass fiber prepreg layups according to the volume ratio of the carbon powder reinforced media, merging the layups to form a three-layer structure of a glass fiber prepreg layer, a carbon powder reinforced medium layer and a glass fiber prepreg layer, then carrying out curing treatment for 2.5 hours at the temperature of 140 ℃ and under the pressure of 0.7MPa, and finally naturally cooling to room temperature to obtain the glass fiber laminated plate with the carbon powder reinforced media embedded in.
In the step 3, the thickness of the carbon powder reinforced dielectric layer is 0.140mm.
In the step 3, an autoclave is used for the curing treatment.
In this embodiment, the prepared glass fiber laminate with pre-embedded carbon powder reinforced medium is tested: flexural strength 9.03MPa, type I tensile toughness 1776.94J/m 2 Type II tensile toughness 130.36J/m 2 。
Example 4
A glass fiber laminated plate with pre-embedded carbon powder reinforced media comprises the following components in percentage by volume: 94% of glass fiber prepreg, 5% of carbon powder reinforced medium and 1% of processing aid;
the carbon powder reinforced medium is a mixture of an adhesive A, an adhesive B and carbon powder, and the mass ratio is as follows: adhesive A, adhesive B, carbon powder = 3;
the adhesive A is an adhesive 2015A, namely bisphenol A epoxy resin and diethylenetriamine;
the adhesive B is an adhesive 2015B which is bisphenol F epoxy resin and diethylenetriamine;
the carbon powder is the carbon powder with the model number of CC388A-88A, and the granularity is D50:8 μm;
the processing aid is an acetone solution with the volume content of 80%.
The preparation method of the glass fiber laminated plate with the pre-embedded carbon powder reinforced medium comprises the following steps:
step 1: pretreatment of glass fiber prepreg
Under the condition of room temperature, carrying out ply treatment on a glass fiber prepreg according to 0 DEG s, dividing the glass fiber prepreg ply into two parts according to the volume ratio of the glass fiber prepreg, wherein each part accounts for 50% of the total volume of the glass fiber prepreg, and obtaining two parts of glass fiber prepreg plies with consistent thickness for later use;
step 2: preparation of carbon powder reinforced medium
Weighing the adhesive A, the adhesive B and the carbon powder according to the mass ratio, then placing the materials into a container, uniformly stirring the materials for 4min at a speed of 70r/min, and uniformly mixing the materials to obtain a carbon powder reinforced medium;
and step 3: preparation of the finished Material
Respectively cleaning the surfaces of two parts of glass fiber prepreg layers by using a processing aid, then uniformly coating carbon powder reinforced media between the two cleaned parts of glass fiber prepreg layers according to the volume ratio of the carbon powder reinforced media, merging the layers to form a three-layer structure of a glass fiber prepreg layer, a carbon powder reinforced media layer and a glass fiber prepreg layer, then carrying out curing treatment for 2h at the temperature of 150 ℃ and under the pressure of 0.8MPa, and finally naturally cooling to room temperature to obtain the glass fiber laminated plate with the carbon powder reinforced media embedded.
In the step 3, the thickness of the carbon powder reinforced dielectric layer is 0.138mm.
In the step 3, an autoclave is used for the curing treatment.
In this embodiment, the prepared glass fiber laminate with pre-embedded carbon powder reinforced medium is tested: bending strength 8.05MPa, type I tensile toughness 1778.02J/m 2 Type II tensile toughness 129.98J/m 2 。
Example 5
A glass fiber laminated plate with pre-embedded carbon powder reinforced media comprises the following components in percentage by volume: 92% of glass fiber prepreg, 6% of carbon powder reinforced medium and 2% of processing aid;
the carbon powder reinforced medium is a mixture of an adhesive A, an adhesive B and carbon powder, and the mass ratio is as follows: adhesive A, adhesive B, carbon powder = 5;
the adhesive A is an adhesive 2015A, namely bisphenol A epoxy resin and diethylenetriamine;
the adhesive B is an adhesive 2015B, namely bisphenol F epoxy resin and diethylenetriamine;
the carbon powder is the carbon powder with the model number of CC388A-88A, and the granularity is D50:9 μm;
the processing aid is an acetone solution with the volume content of 80%.
The preparation method of the glass fiber laminated plate with the pre-embedded carbon powder reinforced medium comprises the following steps:
step 1: pretreatment of glass fiber prepreg
Under the condition of room temperature, carrying out layering treatment on glass fiber prepreg according to 0 DEG s, dividing the glass fiber prepreg layering into two parts according to the volume proportion of the glass fiber prepreg, wherein each part accounts for 50% of the total volume of the glass fiber prepreg, and obtaining two parts of glass fiber prepreg layering with consistent thickness for later use;
and 2, step: preparation of carbon powder reinforced medium
Weighing the adhesive A, the adhesive B and the carbon powder according to the mass ratio, then placing the materials into a container, uniformly stirring the materials for 3min at a speed of 80r/min, and uniformly mixing the materials to obtain a carbon powder reinforced medium;
and step 3: preparation of the finished Material
The method comprises the steps of respectively carrying out surface cleaning on two parts of glass fiber prepreg layups by using a processing aid, then uniformly coating carbon powder reinforcing media between the two cleaned parts of glass fiber prepreg layups according to the volume ratio of the carbon powder reinforcing media, combining the layups to form a three-layer structure of a glass fiber prepreg layer, a carbon powder reinforcing medium layer and a glass fiber prepreg layer, then carrying out curing treatment for 2 hours at the temperature of 130 ℃ and under the pressure of 0.6MPa, and finally naturally cooling to room temperature to obtain the glass fiber laminated plate with the carbon powder reinforcing media embedded.
In the step 3, the thickness of the carbon powder reinforced dielectric layer is 0.142mm.
In the step 3, an autoclave is used for the curing treatment.
In this embodiment, the prepared glass fiber laminate with pre-embedded carbon powder reinforced medium is tested: flexural strength 8.49MPa, type I tensile toughness 1777.28J/m 2 Type II tensile toughness 130.06J/m 2 。
Claims (6)
1. The glass fiber laminated plate with the pre-buried carbon powder reinforced medium is characterized in that the laminated plate is a glass fiber prepregThe laminated plate has a three-layer structure of a layer, a carbon powder reinforced dielectric layer and a glass fiber prepreg layer, and comprises the following components in percentage by volume: 90% -95% of glass fiber prepreg, 3% -8% of carbon powder reinforcing medium and 1% -2% of processing aid; the bending strength of the laminated plate is more than or equal to 7.5MPa, the I-type tensile toughness is more than or equal to 1770J/m 2 And the II type tensile toughness is more than or equal to 125J/m 2 (ii) a The carbon powder reinforced medium is a mixture of an adhesive A, an adhesive B and carbon powder, and the mass ratio is as follows: adhesive A and adhesive B, wherein the adhesive B comprises carbon powder = (3 to 5): 2 to 4; the adhesive A is an adhesive 2015A, namely bisphenol A epoxy resin and diethylenetriamine; the adhesive B is an adhesive 2015B, namely bisphenol F epoxy resin and diethylenetriamine.
2. The carbon powder reinforced medium pre-embedded glass fiber laminate as claimed in claim 1, wherein the carbon powder is carbon powder of type CC388A-88A, and the particle size is D50:6 to 9 mu m.
3. The carbon powder reinforced medium pre-buried glass fiber laminate as claimed in claim 1, wherein the processing aid is an acetone solution with a volume content of 70 to 90%.
4. The method for preparing a glass fiber laminated plate with pre-buried carbon powder reinforced medium of claim 1, is characterized by comprising the following steps:
step 1: pretreatment of glass fiber prepreg
Under the condition of room temperature, carrying out ply treatment on a glass fiber prepreg according to 0 DEG s, dividing the glass fiber prepreg ply into two parts according to the volume ratio of the glass fiber prepreg, wherein each part accounts for 50% of the total volume of the glass fiber prepreg, and obtaining two parts of glass fiber prepreg plies with consistent thickness for later use;
step 2: preparation of carbon powder reinforced medium
Weighing the adhesive A, the adhesive B and the carbon powder according to the mass ratio, then putting the mixture into a container, uniformly stirring the mixture for 3 to 5min at a speed of 50 to 80r/min, and uniformly mixing the mixture to obtain a carbon powder reinforced medium;
and step 3: preparation of the finished Material
Respectively cleaning the surfaces of two parts of glass fiber prepreg layers by using a processing aid, then uniformly coating carbon powder reinforced medium between the two cleaned parts of glass fiber prepreg layers according to the volume ratio of the carbon powder reinforced medium, merging the layers to form a three-layer structure of a glass fiber prepreg layer, a carbon powder reinforced medium layer and a glass fiber prepreg layer, then carrying out curing treatment for 2 to 3 hours at the temperature of 120 to 150 ℃ and under the pressure of 0.6 to 0.8MPa, and finally naturally cooling to room temperature to obtain the glass fiber laminated plate with the carbon powder reinforced medium embedded.
5. The method for manufacturing a glass fiber laminated plate with pre-buried carbon powder reinforced medium according to claim 4, wherein in the step 3, the thickness of the carbon powder reinforced medium layer is 0.135 to 0.145mm.
6. The method for preparing a pre-buried carbon powder reinforced medium glass fiber laminate according to claim 4, wherein in step 3, an autoclave is used for the curing treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110318349.XA CN113059869B (en) | 2021-03-25 | 2021-03-25 | Glass fiber laminated plate with pre-buried carbon powder reinforced medium and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110318349.XA CN113059869B (en) | 2021-03-25 | 2021-03-25 | Glass fiber laminated plate with pre-buried carbon powder reinforced medium and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113059869A CN113059869A (en) | 2021-07-02 |
| CN113059869B true CN113059869B (en) | 2022-11-04 |
Family
ID=76561869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110318349.XA Active CN113059869B (en) | 2021-03-25 | 2021-03-25 | Glass fiber laminated plate with pre-buried carbon powder reinforced medium and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113059869B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005144867A (en) * | 2003-11-14 | 2005-06-09 | Asahi Fiber Glass Co Ltd | Fiber-reinforced inorganic molded sheet and its production method |
| JP2009274889A (en) * | 2008-05-13 | 2009-11-26 | Mitsubishi Electric Corp | Carbon fiber-reinforced silicon carbide composite material, and method for producing the same |
| CN202115024U (en) * | 2011-06-28 | 2012-01-18 | 衡阳恒缘电工材料有限公司 | Glass fiber laminated plate |
| CN106626617A (en) * | 2016-09-14 | 2017-05-10 | 四川东材科技集团股份有限公司 | Glass fibrofelt laminated plate and preparation method thereof |
| CN109467726A (en) * | 2018-10-16 | 2019-03-15 | 厦门大学 | Using glass microballoon reinforcing fiber/polymer matrix composites laminate interlaminar strength Enhancement Method |
| CN109895475A (en) * | 2019-04-01 | 2019-06-18 | 内蒙古蒙矿碳烯科技有限公司 | Metallic fiber laminate and preparation method thereof filled with fullerene carbon dust |
| WO2019229442A1 (en) * | 2018-05-31 | 2019-12-05 | Victrex Manufacturing Limited | Composite parts and processes of manufacture |
-
2021
- 2021-03-25 CN CN202110318349.XA patent/CN113059869B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005144867A (en) * | 2003-11-14 | 2005-06-09 | Asahi Fiber Glass Co Ltd | Fiber-reinforced inorganic molded sheet and its production method |
| JP2009274889A (en) * | 2008-05-13 | 2009-11-26 | Mitsubishi Electric Corp | Carbon fiber-reinforced silicon carbide composite material, and method for producing the same |
| CN202115024U (en) * | 2011-06-28 | 2012-01-18 | 衡阳恒缘电工材料有限公司 | Glass fiber laminated plate |
| CN106626617A (en) * | 2016-09-14 | 2017-05-10 | 四川东材科技集团股份有限公司 | Glass fibrofelt laminated plate and preparation method thereof |
| WO2019229442A1 (en) * | 2018-05-31 | 2019-12-05 | Victrex Manufacturing Limited | Composite parts and processes of manufacture |
| CN109467726A (en) * | 2018-10-16 | 2019-03-15 | 厦门大学 | Using glass microballoon reinforcing fiber/polymer matrix composites laminate interlaminar strength Enhancement Method |
| CN109895475A (en) * | 2019-04-01 | 2019-06-18 | 内蒙古蒙矿碳烯科技有限公司 | Metallic fiber laminate and preparation method thereof filled with fullerene carbon dust |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113059869A (en) | 2021-07-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111187438B (en) | Preparation method of carbon fiber/toughened epoxy resin prepreg for vacuum bag forming process | |
| WO2016127521A1 (en) | Method for manufacturing composite product made of short-fibre reinforced thermosetting resin by means of 3d printing | |
| CA2467135C (en) | Composite material with improved damping characteristics and method of making same | |
| CN105563970A (en) | Composite structure with PMI sandwich as well as preparation method and application of composite structure | |
| CN110627517B (en) | Gradient ultrahigh-temperature ceramic matrix composite material and preparation method thereof | |
| CN110387119B (en) | Continuous fiber reinforced polyaryletherketone composite material and preparation method thereof | |
| CN111070726A (en) | Integral forming method of fiber reinforced SiC-based composite material reinforced thermal bearing structure | |
| CN111086283B (en) | High-temperature-resistant high-toughness prepreg and preparation method thereof | |
| EP3027371A2 (en) | Process of producing a thermoplastic-fiber composite and fan blades formed therefrom | |
| CN114872386B (en) | Asymmetric airplane floor and preparation method thereof | |
| CN113650389A (en) | Adhesive curing wave-absorbing composite material and preparation method thereof | |
| CN113059869B (en) | Glass fiber laminated plate with pre-buried carbon powder reinforced medium and preparation method thereof | |
| CN108819369B (en) | Fiber reinforced resin matrix composite laminated board for aircraft | |
| CN113681942A (en) | Co-curing wave-absorbing composite material and preparation method thereof | |
| CN113943471A (en) | Low-density prepreg, preparation method and application | |
| CN103881307A (en) | Ultralow-density composite material and resin combination prepreg as well as preparation method and applications thereof | |
| CN103937152B (en) | Polyester-phenolic aldehyde-epoxy composite material and preparation method thereof | |
| CN116694030A (en) | Ultra-light high-strength composite material and preparation method and application thereof | |
| CN113651630B (en) | Carbon/carbon honeycomb sandwich structure for high-temperature heat insulation and preparation method thereof | |
| CN105137512A (en) | Manufacturing method of ultra-light reflector | |
| CN101733889B (en) | Preparation method of thermoplastic polyimide-based composite material structure member (cover) | |
| CN114670466A (en) | Laminate with high post-impact compressive strength and method of making same | |
| CN112677602B (en) | Toughening material for prepreg, high-toughness composite material and preparation method thereof | |
| CN112409618A (en) | Unidirectional thermosetting aramid fiber composite material and preparation method thereof | |
| Yi et al. | Developments of high-performance composites by innovative ex situ concept for aerospace application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |